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Table 4 Relation between urinary potassium excretion and descriptive variables

From: Potassium urinary excretion and dietary intake: a cross-sectional analysis in 8–10 year-old children

  

Potassium excretion (mg/day)

  

Boys (n = 81)

Girls (n = 82)

  

Mean

SD

Mean

SD

BMI categories

Underweight

1618.5

82.7

1540.5

622.0

Normal weight

1601.5

573.9

1644.1

577.1

Overweight

1924.0

826.9

1670.5

537.5

Obese

1807.0

534.5

1841.4

437.0

p

0.241

0.582

p*

0.248

0.373

Sports activities (times/week)

<2/week

1737.4

477.7

1663.7

520.5

2–3/week

1664.0

668.8

1666.8

652.4

>4/week

1359.4

652.8

1560.0

315.2

p

0.281

0.886

p*

0.200

0.259

Sleeping (hours/day)

≤8 h/day

1665.1

485.0

1642.9

386,0

9 h/day

1629.5

764.8

1710.4

682,8

≥10 h/day

1696.5

465.5

1648.9

497,9

p

0.805

0.765

p*

0.143

0.091

Television/

<2 h/day

1642.6

537.3

1664.7

557.3

≥2 h/day

1859.0

969.4

1911.0

565.2

p

0.440

0.261

p*

0.638

0.104

Father’s education

0–9 years

1673.6

407.3

1571.1

481.9

10–12 years

1960.6

616.2

1654.7

549.8

>12 years

1578.0

875.9

1547.0

509.1

p

0.271

0.800

p*

0.144

0.376

Mother’s education

0–9 years

1655.8

426.4

1540.5

451.3

10–12 years

1818.0

688.6

1881.8

499.1

>12 years

1716.0

774.1

1521.0

557.5

p

0.712

0.072

p*

0.612

0.784

Milk and whey-based milk products (g/day)

Lowa)

1684.6

14.8

1678.2

16.3

High

1693.8

21.8

1689.8

19.3

p

0.231

0.036

p*

0.373

0.060

Pulses (g/day)

Low a)

1689.3

18.8

1681.1

16.8

High

1688.1

20.3

1691.0

21.4

p

0.507

0.767

p*

0.476

0.944

Vegetables (g/day)

Low a)

1686.8

23.7

1682.6

21.7

High

1690.9

14.0

1685.9

14.0

p

0.587

0.301

p*

0.622

0.366

Fruit (g/day)

Low a)

1687.6

15.6

1683.1

19.2

High

1690.7

22.5

1685.1

18.3

p

0.955

0.178

p*

0.963

0.195

Fruit and vegetables (g/day)

Low a)

1689.0

23.5

1683.4

21.6

High

1689.0

15.2

1684.9

14.9

p

0.972

0.260

p*

0.890

0.299

  1. *Adjusted for energy intake
  2. a) Low and high refers to intakes below the median or at or above the median, respectively